You could self-host your own Mattermost installation with OAuth2 for convenience. https://docs.mattermost.com/deployment/sso-google.html https://docs.mattermos

You could self-host your own Mattermost installation with OAuth2 for convenience. https://docs.mattermost.com/deployment/sso-google.html https://docs.mattermost.com/deployment/sso-google.html